You use rune essence/pure essence on a altar. (runecrafting)
to go to the abyss and make it
High level mining rune ores, then crafting them into rune weapons/armor.
The maker of Runescape by the name of Andrew. Rune is a made-up material that is ONLY used in runescape
Rune Pickaxe - 18,145gp - 20,055gp
To make 100k in Runescape mine around 1000 Pure Essence ( Members ) or around 3000 Rune Essence ( Non Members )
Rune berserker no question. Rune Spike is worst, 2nd is rune kite, and best is rune berskerker.
Mithril, possibly Rune (rune is a sort of greeny-blue)
Rune Med-Helmet.
summoning
none
You can make them yourself with talismans. If you look at Sal's Realm of Runescape it will tell you where the rune altars are.
Either buy one for 50k or make one by smithing.